A water quality online monitoring device

Abstract

The invention discloses an online water quality monitoring device, which relates to the field of water quality monitoring, and comprises a sampler, wherein a water inlet is arranged on one side wall of the sampler, a water outlet is arranged on the other side wall, a sensor delivery inlet is arranged on the top of the sampler, a sensor delivery bracket is arranged in the sensor delivery inlet, a multi-parameter water quality analysis sensor is arranged in the sensor delivery bracket, and a delivery bracket lifting drive device is arranged above the sensor delivery bracket; when the delivery bracket lifting drive device drives the sensor delivery bracket to rise to a predetermined position, the bottom of the sensor delivery bracket is sealed with the sensor delivery inlet; when the delivery bracket lifting drive device drives the sensor delivery bracket to descend to a predetermined position, the top of the sensor delivery bracket is sealed with the sensor delivery inlet. The sensor in the invention can be placed outside the sampler to avoid long-term immersion in a non-detection state, which can effectively improve the monitoring accuracy and life of the sensor.

Description

Technical Field

[0001] The present invention relates to the field of water quality monitoring, and in particular to an online water quality monitoring device. Background Art

[0002] Water quality monitoring is the process of monitoring and measuring the types of pollutants in water, the concentrations of various pollutants and their changing trends, and evaluating the water quality. When the water quality monitor is working, the impurities in the sampled water enter the water quality sampling system and are easily attached to the sensor. In addition, the sensor is immersed in water for a long time without being cleaned, which can easily reduce the monitoring accuracy of the sensor and shorten its service life. Summary of the invention

[0003] Based on the above problems, the purpose of the present invention is to provide an online water quality monitoring device, and the present invention adopts the following technical solutions:

[0004] The present invention provides an online water quality monitoring device, comprising a sampler, wherein a water inlet is arranged on one side wall of the sampler, a water outlet is arranged on the other side wall, a sensor delivery inlet is arranged on the top of the sampler, a sensor delivery bracket is arranged in the sensor delivery inlet, a multi-parameter water quality analysis sensor is arranged in the sensor delivery bracket, and a delivery bracket lifting drive device is arranged above the sensor delivery bracket;

[0005] When the sensor feeding bracket is driven by the feeding frame lifting and lowering driving device to rise to a predetermined position, the bottom of the sensor feeding bracket is sealed with the sensor feeding port;

[0006] When the sensor delivery bracket is driven by the delivery frame lifting and lowering driving device to descend to a predetermined position, the top of the sensor delivery bracket is sealed with the sensor delivery port.

[0007] Preferably, the sampler comprises a cylinder with openings at both ends, the water inlet and the water outlet are arranged on the cylinder, an end cover is arranged on the top of the cylinder, and the sensor inlet is arranged on the end cover;

[0008] A cylinder wall scraping device is arranged at the bottom of the cylinder.

[0009] Preferably, the cylinder wall scraping device comprises a piston body, which is slidably and sealingly connected in the inner cavity of the cylinder body, a piston lifting drive member is arranged below the piston body, and a sewage discharge port is opened on the piston body.

[0010] Preferably, the cylinder is made of a transparent material, and a video camera device is provided on one side of the cylinder.

[0011] Preferably, the sensor delivery bracket comprises an upper top plate and a lower bottom plate, the bottom surface of the upper top plate and the top surface of the lower bottom plate are both provided with sealing gaskets, and the sealing gaskets are sealed with the end cover;

[0012] The upper top plate and the lower bottom plate are connected by a plurality of elastic rods, the bottom surface of the upper top plate is provided with an integrated seat, and the bottom of the integrated seat is provided with a multi-parameter water quality analysis sensor;

[0013] An elastic support is arranged on the top of the upper top plate, and the elastic support is connected to the action end of the lifting drive device of the feeding frame.

[0014] Preferably, the multi-parameter water quality analysis sensor comprises a plurality of sensor units arranged side by side at intervals, a partition is provided between two adjacent sensor units, and the partition is connected to the integrated seat.

[0015] Preferably, the elastic rod comprises a fixed sleeve and a movable rod, the upper end of the fixed sleeve is fixed to the upper top plate, and the lower end of the movable rod is fixed to the lower bottom plate;

[0016] The fixing sleeve and the movable rod are fitted together, a tension spring is arranged in the fixing sleeve, the upper end of the tension spring is fixed to the fixing sleeve, and the lower end is fixed to the movable rod.

[0017] Preferably, the elastic support comprises a seat body, a seat cavity is arranged on the top of the seat body, a spring is arranged in the seat cavity, the upper end of the spring abuts against the pressure plate, and the lower end abuts against the bottom of the seat cavity;

[0018] A limiting pressure ring is arranged on the top of the seat body, and the action end of the lifting and lowering driving device of the feeding frame passes through the limiting pressure ring and is connected to the pressure plate.

[0019] Preferably, a plurality of brush cylinders are arranged on the top of the lower base plate, the brush cylinders correspond to the sensor monomers one by one and are plug-fitted, and a plurality of bristles are arranged on the inner wall of each brush cylinder.

[0020] Preferably, the feeding rack lifting drive device includes guide sliding rods arranged on both sides of the sensor feeding bracket, the lower end of the guide sliding rod is fixed to the end cover, and the upper end is connected to the cross-connecting frame, and a top plate lifting driving component is arranged on the cross-connecting frame, and the action end of the top plate lifting driving component passes through the limiting pressure ring and is connected to the pressure plate; a guide sliding sleeve is provided on the guide sliding rod, and the guide sliding sleeve is fixed to the upper top plate.

[0021] Compared with the prior art, the beneficial technical effects of the present invention are:

[0022] The sensor of the present invention can be placed outside the sampler to avoid long-term immersion in a non-detection state, which can effectively improve the monitoring accuracy and life of the sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] Figure 1 It is a structural schematic diagram of the water quality online monitoring device of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the sampler of the present invention;

[0026] Figure 3 This is a schematic diagram of the structure of the sensor delivery bracket of the present invention;

[0027] Figure 4 It is a schematic structural diagram of the elastic rod of the present invention;

[0028] Figure 5 It is a structural schematic diagram of the elastic support of the present invention;

[0029] Figure 6 It is a structural schematic diagram of the multi-parameter water quality analysis sensor and the feeding frame lifting drive device of the present invention.

[0030] Description of the reference numerals: 1, sampler; 2, water inlet; 3, water outlet; 4, sensor delivery port; 5, sensor delivery bracket; 501, top plate; 502, bottom plate; 503, sealing pad; 504, elastic rod; 504-1, fixed sleeve; 504-2, movable rod; 504-3, tension spring; 505, integrated seat; 506, elastic support; 506-1, seat body; 506-2, seat cavity; 506-3, spring; 506-4, pressure plate; 506-5 , limit pressure ring; 507, brush cylinder; 508, brush bristles; 6, multi-parameter water quality analysis sensor; 601, sensor unit; 602, partition; 7, feeding frame lifting drive device; 701, guide slide rod; 702, cross-connecting frame; 703, top plate lifting drive member; 8, cylinder wall scraping device; 801, piston body; 802, piston lifting drive member; 803, sewage outlet; 9, video camera device; 10, equipment box; 11, controller; 12, external filter; 13, water pump. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0032] like Figure 1As shown, this embodiment discloses an online water quality monitoring device, including a sampler 1, the sampler 1 is used to store water samples, the sampler 1 is installed in an equipment box 10, and a controller 11 is arranged on the top of the equipment box 10. A water inlet 2 is arranged on one side wall of the sampler 1, and a water outlet 3 is arranged on the other side wall. The water inlet 2 is connected to a water quality sampling pipeline, and an external filter 12 and a water pump 13 are installed on the water quality sampling pipeline. The water outlet 3 is connected to a drain pipe. A sensor delivery port 4 is arranged on the top of the sampler 1, and a sensor delivery bracket 5 is arranged in the sensor delivery port 4. A multi-parameter water quality analysis sensor 6 is arranged in the sensor delivery bracket 5, and a delivery bracket lifting drive device 7 is arranged above the sensor delivery bracket 5.

[0033] When there is no need to monitor the water quality, the delivery rack lifting drive device 7 drives the sensor delivery bracket 5 to rise to a predetermined position, and the bottom of the sensor delivery bracket 5 is sealed with the sensor delivery port 4, so that the multi-parameter water quality analysis sensor 6 is located on the outside of the sampler 1, avoiding the multi-parameter water quality analysis sensor 6 from being immersed in water.

[0034] When the water quality needs to be monitored, the sensor feeding bracket 5 is driven by the lifting drive device 7 to descend to a predetermined position, and the top of the sensor feeding bracket 5 is sealed with the sensor feeding port 4. In this way, the multi-parameter water quality analysis sensor 6 is located inside the sampler 1, and the multi-parameter water quality analysis sensor 6 is immersed in water to monitor the water quality.

[0035] A transformer is installed in the equipment box 10. The transformer converts the mains electricity into the required voltage and transmits it to the controller 11, the multi-parameter water quality analysis sensor 6, the water pump 13 and the wireless transmission module. The controller 11 is electrically connected to the water pump 13 to control the water pump 13 to start according to the set program. The multi-parameter water quality analysis sensor 6 feeds back the monitoring signal to the controller 11, and the controller 11 transmits the data to the remote monitoring platform with the help of the wireless transmission module.

[0036] like Figure 2 As shown, in this embodiment, the sampler 1 includes a cylinder 101 with openings at both ends, a water inlet 2 and a water outlet 3 are arranged on the cylinder 101, an end cover 102 is installed on the top of the cylinder 101, and a sensor delivery port 4 is arranged on the end cover 102. An elevated support is installed at the lower end of the cylinder 101, and the elevated support is fixed in the equipment box 10.

[0037] A cylinder wall scraping device 8 is provided at the bottom of the inner cavity of the cylinder 101. The cylinder wall scraping device 8 can scrape off the dirt attached to the inner wall of the cylinder 101. Specifically, the cylinder wall scraping device 8 includes a piston body 801, on which a plurality of sealing rings are provided, and the piston body 801 is connected to the inner cavity of the cylinder 101 by sliding and sealing through the sealing rings, and a piston lifting drive 802 is provided below the piston body 801, and a sewage outlet 803 is provided on the piston body 801, and the sewage outlet 803 is connected to the sewage pipe. The piston lifting drive 802 drives the piston body 801 to rise, and the piston body 801 drops the dirt attached to the inner wall of the cylinder 101 during the rising process, and discharges it with the help of the sewage outlet 803 and the water flow of the water outlet 3.

[0038] In this embodiment, a dirt collecting groove is provided on the top of the piston body 801 to collect dirt on the top of the piston body 801 .

[0039] In this embodiment, the cylinder 101 is made of transparent material, and a video camera device 9 is provided on one side of the cylinder 101. The video camera device 9 can monitor the water in the cylinder 101 and transmit the data to the remote monitoring platform with the help of a wireless transmission module.

[0040] like Figure 3 As shown, in this embodiment, the sensor delivery bracket 5 includes an upper top plate 501 and a lower bottom plate 502, and the bottom surface of the upper top plate 501 and the top surface of the lower bottom plate 502 are both provided with sealing gaskets 503, and the sealing gaskets 503 are sealed with the end cover 102 to achieve sealing between the bottom or top of the sensor delivery bracket 5 and the sensor delivery port 4.

[0041] An elastic support 506 is provided at the top of the upper top plate 501, and the elastic support 506 is connected to the action end of the feeding frame lifting drive device 7. The elastic support 506 can play a certain elastic buffer, so that when the upper top plate 501 descends and squeezes the end cover 102, it ensures that the sealing gasket 503 is elastically deformed to achieve sealing, while the end cover 102 is not damaged by excessive squeezing. Similarly, the upper top plate 501 and the lower bottom plate 502 are connected by a plurality of elastic rods 504, and the elastic rods 504 can play a certain elastic buffer, so that when the lower bottom plate 502 rises and squeezes the end cover 102, it ensures that the sealing gasket 503 is elastically deformed to achieve sealing, while the end cover 102 is not damaged by excessive squeezing.

[0042] like Figure 4As shown, in this embodiment, the elastic rod 504 includes a fixed sleeve 504-1 and a movable rod 504-2, the upper end of the fixed sleeve 504-1 is fixed to the upper top plate 501, and the lower end of the movable rod 504-2 is fixed to the lower bottom plate 502; the fixed sleeve 504-1 and the movable rod 504-2 are fitted together, and a tension spring 504-3 is provided in the fixed sleeve 504-1, the upper end of the tension spring 504-3 is fixed to the fixed sleeve 504-1, and the lower end is fixed to the movable rod 504-2.

[0043] like Figure 5 As shown, in this embodiment, the elastic support 506 includes a seat body 506-1, the seat body 506-1 is fixed on the top of the upper top plate 501, and a seat cavity 506-2 is arranged on the top of the seat body 506-1, and a spring 506-3 is arranged in the seat cavity 506-2, and the upper end of the spring 506-3 is against the pressure plate 506-4, and the lower end is against the bottom of the seat cavity 506-2; a limiting pressure ring 506-5 is fixed on the top of the seat body 506-1, and the action end of the feeding frame lifting drive device 7 passes through the limiting pressure ring 506-5 and is connected with the pressure plate 506-4.

[0044] like Figure 3 and 6 As shown, in this embodiment, the multi-parameter water quality analysis sensor 6 is located between the upper top plate 501 and the lower bottom plate 502, and the bottom surface of the upper top plate 501 is provided with an integrated seat 505, and the multi-parameter water quality analysis sensor 6 is provided at the bottom of the integrated seat 505. Specifically, the multi-parameter water quality analysis sensor 6 includes a plurality of sensor monomers 601 arranged side by side at intervals, and a partition 602 is provided between two adjacent sensor monomers 601, and the partition 602 is connected to the integrated seat 505. A card slot is provided at the bottom of the integrated seat 505, and the partition 602 is connected to the card slot, and the partition 602 can prevent the sensor monomers 601 from interfering with each other.

[0045] In order to facilitate brushing of each sensor unit 601, in this embodiment, a plurality of brush cylinders 507 are arranged on the top of the lower bottom plate 502. The brush cylinders 507 correspond to the sensor units 601 one by one and are plugged together. A plurality of bristles 508 are arranged on the inner wall of each brush cylinder 507. When in use, the above-mentioned cylinder wall scraping device 8 and elastic rod 504 can be used. Specifically, the piston lifting drive member 802 drives the piston body 801 to rise and squeeze the lower bottom plate 502. Under the guidance of the movable rod 504-2, the lower bottom plate 502 will lift the bristles 508 in the brush cylinder 507 to brush the sensor head of the sensor unit 601. It should be noted that during the brush cylinder 507 brushing the sensor unit 601, the feeding frame lifting drive device 7 is always in a downward pressure state to ensure the sealing of the upper top plate 501 and the end cover 102.

[0046] like Figure 6As shown, in this embodiment, the feeding frame lifting drive device 7 includes a guide slide rod 701 arranged on both sides of the sensor feeding bracket 5, the lower end of the guide slide rod 701 is fixed to the end cover 102, and the upper end is connected to the cross-connecting frame 702, and a top plate lifting drive component 703 is arranged on the cross-connecting frame 702. The action end of the top plate lifting drive component 703 passes through the limit pressure ring 506-5 and is connected to the pressure plate 506-4; a guide slide sleeve 704 is sleeved on the guide slide rod 701, and the guide slide sleeve 704 is fixed to the upper top plate 501.

[0047] In this embodiment, both the top plate lifting drive member 703 and the piston lifting drive member 802 can be electric push rods.

[0048] The working principle of the present invention is as follows:

[0049] When the water quality needs to be monitored, the sensor delivery bracket 5 is driven down to a predetermined position by the delivery frame lifting drive device 7, and the upper top plate 501 on the top of the sensor delivery bracket 5 seals the sensor delivery port 4 through the sealing gasket 503. Then the controller 11 controls the water pump 13 to pump water into the sampler 1, and the water is discharged through the water outlet 3. The multi-parameter water quality analysis sensor 6 is immersed in the sampler 1 to monitor the flowing water.

[0050] When it is necessary to clean the multi-parameter water quality analysis sensor 6 and the inside of the sampler 1 (at this time, the controller 11 controls the water pump 13 to stop), the piston lifting drive 802 drives the piston body 801 to rise. During the rising process, the piston body 801 drops the dirt attached to the inner wall of the cylinder 101 and discharges it with the help of the water flow of the water outlet 3 and the sewage outlet 803. After the piston lifting drive 802 drives the piston body 801 to rise, it will squeeze the lower bottom plate 502. Under the guidance of the movable rod 504-2, the lower bottom plate 502 will lift the bristles 508 in the brush cylinder 507 to brush the sensor head of the sensor unit 601.

[0051] After the multi-parameter water quality analysis sensor 6 and the inside of the sampler 1 are cleaned, and the water quality does not need to be monitored, the feeding frame lifting drive device 7 drives the sensor feeding bracket 5 to rise to a predetermined position, and the lower bottom plate 502 at the bottom of the sensor feeding bracket 5 seals the sensor feeding port 4 through the sealing gasket 503. In this way, the multi-parameter water quality analysis sensor 6 is located outside the sampler 1 to prevent the multi-parameter water quality analysis sensor 6 from being immersed in water. At the same time, the controller 11 controls the water pump 13 to pump water into the sampler 1, and flushes the inside of the sampler 1 through the water flow. In order to avoid water retention in the sampler 1, the remaining water can be discharged through the sewage outlet 803.

[0052] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A water quality online monitoring device, characterized in that: The sampler (1) comprises a water inlet (2) on one side wall of the sampler (1), a water outlet (3) on the other side wall, a sensor delivery inlet (4) on the top of the sampler (1), a sensor delivery bracket (5) in the sensor delivery inlet (4), a multi-parameter water quality analysis sensor (6) in the sensor delivery bracket (5), and a delivery bracket lifting drive device (7) above the sensor delivery bracket (5); When the sensor delivery bracket (5) is driven by the delivery frame lifting drive device (7) to rise to a predetermined position, the bottom of the sensor delivery bracket (5) is sealed with the sensor delivery port (4); When the sensor delivery bracket (5) is driven by the delivery frame lifting drive device (7) to descend to a predetermined position, the top of the sensor delivery bracket (5) is sealed with the sensor delivery port (4); The sampler (1) comprises a cylinder (101) with openings at both ends, the water inlet (2) and the water outlet (3) being arranged on the cylinder (101), an end cover (102) being arranged on the top of the cylinder (101), and the sensor inlet (4) being arranged on the end cover (102); A cylinder wall scraping device (8) is provided at the bottom of the cylinder (101); The sensor delivery bracket (5) comprises an upper top plate (501) and a lower bottom plate (502), the bottom surface of the upper top plate (501) and the top surface of the lower bottom plate (502) are both provided with sealing gaskets (503), and the sealing gaskets (503) are in sealing cooperation with the end cover (102); The upper top plate (501) and the lower bottom plate (502) are connected via a plurality of elastic rods (504); an integrated seat (505) is provided on the bottom surface of the upper top plate (501); and the multi-parameter water quality analysis sensor (6) is provided at the bottom of the integrated seat (505); An elastic support (506) is provided on the top of the upper top plate (501), and the elastic support (506) is connected to the action end of the feeding frame lifting drive device (7); The multi-parameter water quality analysis sensor (6) comprises a plurality of sensor units (601) arranged side by side at intervals, a partition (602) being provided between two adjacent sensor units (601), and the partition (602) being connected to the integrated seat (505); A plurality of brush cylinders (507) are arranged on the top of the lower base plate (502); the brush cylinders (507) correspond to the sensor monomers (601) one by one and are plugged together; and a plurality of brush bristles (508) are arranged on the inner wall of each brush cylinder (507).

2. The water quality online monitoring device according to claim 1, characterized in that: The cylinder wall scraping device (8) comprises a piston body (801), the piston body (801) being slidably and sealingly connected in the inner cavity of the cylinder body (101), a piston lifting drive member (802) being arranged below the piston body (801), and a sewage discharge port (803) being provided on the piston body (801).

3. The water quality online monitoring device according to claim 1, characterized in that: The cylinder (101) is made of a transparent material, and a video camera device (9) is provided on one side of the cylinder (101).

4. The water quality online monitoring device according to claim 1, characterized in that: The elastic rod (504) comprises a fixed sleeve (504-1) and a movable rod (504-2), the upper end of the fixed sleeve (504-1) is fixed to the upper top plate (501), and the lower end of the movable rod (504-2) is fixed to the lower bottom plate (502); The fixed sleeve (504-1) and the movable rod (504-2) are fitted together, a tension spring (504-3) is arranged in the fixed sleeve (504-1), the upper end of the tension spring (504-3) is fixed to the fixed sleeve (504-1), and the lower end is fixed to the movable rod (504-2).

5. The water quality online monitoring device according to claim 1, characterized in that: The elastic support (506) comprises a seat body (506-1), a seat cavity (506-2) is arranged on the top of the seat body (506-1), a spring (506-3) is arranged in the seat cavity (506-2), the upper end of the spring (506-3) abuts against the pressure plate (506-4), and the lower end abuts against the bottom of the seat cavity (506-2); A limit pressure ring (506-5) is provided on the top of the seat body (506-1), and the action end of the feeding rack lifting drive device (7) passes through the limit pressure ring (506-5) and is connected to the pressure plate (506-4).

6. The water quality online monitoring device according to claim 5, characterized in that: The feeding frame lifting drive device (7) comprises guide slide bars (701) arranged on both sides of the sensor feeding bracket (5), the lower end of the guide slide bar (701) is fixed to the end cover (102), and the upper end is connected to the cross-connecting frame (702), and a top plate lifting drive member (703) is arranged on the cross-connecting frame (702), and the action end of the top plate lifting drive member (703) passes through the limit pressure ring (506-5) and is connected to the pressure plate (506-4); A guide sleeve (704) is sleeved on the guide slide rod (701), and the guide sleeve (704) is fixed to the upper top plate (501).

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